18411604025 has 6 divisors (see below), whose sum is σ = 22830389022. Its totient is φ = 14729283200.

The previous prime is 18411603997. The next prime is 18411604051. The reversal of 18411604025 is 52040611481.

It can be written as a sum of positive squares in 3 ways, for example, as 3578312761 + 14833291264 = 59819^2 + 121792^2 .

It is not a de Polignac number, because 18411604025 - 2⁶ = 18411603961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18411603982 and 18411604000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368232056 + ... + 368232105.

It is an arithmetic number, because the mean of its divisors is an integer number (3805064837).

Almost surely, 2^18411604025 is an apocalyptic number.

It is an amenable number.

18411604025 is a deficient number, since it is larger than the sum of its proper divisors (4418784997).

18411604025 is an equidigital number, since it uses as much as digits as its factorization.

18411604025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736464171 (or 736464166 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 18411604025 in words is "eighteen billion, four hundred eleven million, six hundred four thousand, twenty-five".